SURE. FOR SOME OF US WEIGHT IS A CONSTANT BATTLE AND WE CAN NEVER RELAX. I ONCE WENT WITH A VERY SLIM FRIEND TO A WORKSHOP AND WE REALIZED I ATE ABOUT A TENTH WHAT SHE DID. SHE COULDN’T UNDERSTAND HOW I COULD GET THROUGH AN HOUR LECTURE WITHOUT A SNACK. UP TILL THEN, SHE’D BEEN SURE I ATE MUCH MORE THAN SHE DID. I DON’T KNOW HOW I’D FIND THE TIME TO:  Secret to staying slim is in your genes, says study.